24. Which of the following DNA elements that locates several thousand base pairs upstream or downstream of a eukaryotic promoter and is capable of up-regulating gene expression when appropriate signal pathways are activated?
(A) TATA-box.
(B) Initiator sequences.
(C) Enhancers.
(D) Silencers.
寫作批改
VIP與詳解卡管理
私人筆記( 0 )